he kak elled verbally to his aides while watching a christie video. how much emphasis do you think the book can put on those claims about christie's vetting and wherewithal being a serious contender to be the running mate? >> well, i think you have to understand what these books are. after every presidential campaign, and i worked on a presidential campaign, there's a lot of score settling. people's egos' bruised, their feelings are hurt, and mark halperin and his co-author have figured out a way to exploit this for fun and profit and win another bok ok to follow up to "game change." i think at the end of the campaign we saw chris christie saying nice things about barack obama an his response to hurricane sandy. clearly some people are upset about that. now you've got all sorts of mostly sort of vague innuendo and scandal around chris christie. and i think it's really because there's someone out there who wants to damage him and damage his future prospects. and it seems like also there's some people in the obama side who are not so happy with joe bide